RANKING · 2020 CENSUS · 56 SHOWN OF 56

Highest Japanese population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Japanese (2020 American Community Survey). A concentration measure: Japanese residents as a percentage of total population. This list covers the 56 counties in Illinois that qualify, ranked against each other statewide. The median across all 56 is 0.1%.

Japanese Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest Chinese population Highest Chinese population share Largest Taiwanese population Highest Taiwanese population share Largest Hmong population Highest Hmong population share

RANKPLACESTATEPOPJAPANESE SHAREVS –

01Richland County, ILIL15,2190.3%–

02Jackson County, ILIL52,5010.2%–

03Cook County, ILIL5,194,6250.2%–

04Champaign County, ILIL209,9720.2%–

05Lake County, ILIL719,3390.2%–

06Putnam County, ILIL5,6190.2%–

07Pope County, ILIL3,6720.2%–

08Peoria County, ILIL178,5530.2%–

09Scott County, ILIL4,8660.2%–

10Hancock County, ILIL16,8030.2%–

11Randolph County, ILIL29,9210.2%–

12DuPage County, ILIL934,2980.2%–

13Edgar County, ILIL16,3230.1%–

14Menard County, ILIL11,8630.1%–

15Union County, ILIL16,6560.1%–

16McLean County, ILIL171,4190.1%–

17Carroll County, ILIL15,4190.1%–

18Mercer County, ILIL15,2290.1%–

19LaSalle County, ILIL107,7730.1%–

20Williamson County, ILIL67,2250.1%–

21Kane County, ILIL525,7570.1%–

22Jasper County, ILIL9,0320.1%–

23McHenry County, ILIL317,7510.1%–

24St. Clair County, ILIL250,7080.1%–

25Macon County, ILIL99,3000.1%–

26Winnebago County, ILIL283,6740.1%–

27Douglas County, ILIL19,8800.1%–

28Stephenson County, ILIL43,2200.1%–

29Knox County, ILIL47,7670.1%–

30Sangamon County, ILIL194,1700.1%–

31Franklin County, ILIL36,9160.1%–

32DeKalb County, ILIL101,8350.0%–

33Johnson County, ILIL13,3630.0%–

34Warren County, ILIL16,2220.0%–

35Marshall County, ILIL11,4730.0%–

36Alexander County, ILIL4,5700.0%–

37Will County, ILIL712,2530.0%–

38Madison County, ILIL263,1100.0%–

39Tazewell County, ILIL130,0490.0%–

40Ogle County, ILIL51,3990.0%–

41Perry County, ILIL20,1600.0%–

42Jefferson County, ILIL36,1470.0%–

43Coles County, ILIL46,6070.0%–

44Henry County, ILIL48,0950.0%–

45Morgan County, ILIL32,5150.0%–

46Rock Island County, ILIL141,8690.0%–

47Iroquois County, ILIL26,1500.0%–

48Vermilion County, ILIL71,2590.0%–

49Whiteside County, ILIL54,1210.0%–

50Piatt County, ILIL16,7910.0%–

51Christian County, ILIL33,4430.0%–

52Kankakee County, ILIL105,5250.0%–

53Macoupin County, ILIL43,7480.0%–

54Livingston County, ILIL35,0570.0%–

55Clinton County, ILIL37,1280.0%–

56Adams County, ILIL64,2670.0%–

SHOWING 1–56 OF 56

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS